SDL_ttf: Merge pull request #190 from cgutman/cmake_dllexport

From 096094e4621a08e65217ea71522a540b052b9e33 Mon Sep 17 00:00:00 2001
From: Cameron Gutman <[EMAIL REDACTED]>
Date: Wed, 30 Mar 2022 23:11:18 -0500
Subject: [PATCH] Define DLL_EXPORT when building shared libraries for Windows

Otherwise we end up with an SDL2_ttf.dll binary with no exports
---
 CMakeLists.txt | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index e2e31e0..6f0c2ab 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -72,6 +72,9 @@ set(SDL_TTF_VERSION "${SDL_TTF_MAJOR_VERSION}.${SDL_TTF_MINOR_VERSION}.${SDL_TTF
 add_library(SDL2_ttf SDL_ttf.c SDL_ttf.h)
 if (BUILD_SHARED_LIBS)
   target_link_libraries(SDL2_ttf SDL2::SDL2)
+  if (WIN32 OR CYGWIN)
+    set_target_properties(SDL2_ttf PROPERTIES DEFINE_SYMBOL DLL_EXPORT)
+  endif()
 else()
   target_link_libraries(SDL2_ttf SDL2::SDL2-static)
   if (NOT PSP)